CC := clang
CFLAGS := \
	-DNDEBUG \
	-I${ROOT_DIR}/../src \
	-I${ROOT_DIR}/../../common/web \
	-I${ROOT_DIR}/../../../include \
	--target=wasm32 \
	-flto \
	-fvisibility=hidden \
	-Ofast \
	-Wall \
	-Wextra \
	-Wpedantic
LDFLAGS := \
	-Wl,--allow-undefined \
	-Wl,--no-entry \
	-Wl,--lto-O3 \
	-Wl,-strip-all \
	-Wl,--export-table \
	-Wl,--export=wrapper_new \
	-Wl,--export=wrapper_free \
	-Wl,--export=wrapper_get_ins \
	-Wl,--export=wrapper_get_outs \
	-Wl,--export=wrapper_get_param_values \
	-Wl,--export=wrapper_process \
	-Wl,--export=wrapper_set_parameter \
	-Wl,-z,stack-size=$$((8*1024*1024)) \
	-nostdlib
ifdef SYNTH
LDFLAGS += \
	-Wl,--export=wrapper_note_on \
	-Wl,--export=wrapper_note_off \
	-Wl,--export=wrapper_pitch_bend \
	-Wl,--export=wrapper_mod_wheel

INDEX := ${ROOT_DIR}/../../common/web/index-synth.html
else
INDEX := ${ROOT_DIR}/../../common/web/index-fx.html
endif

SOURCES_COMMON := \
	${ROOT_DIR}/../../common/web/walloc.c \
	${ROOT_DIR}/../../common/web/wrapper.c

ifdef NEEDS_MEMSET
SOURCES_COMMON += \
	${ROOT_DIR}/../../common/web/memset.c
	
LDFLAGS += \
	-Wl,--export=memset
endif

all: build/web/module.wasm build/web/index.html build/web/config.js build/web/processor.js build/web/cert.pem build/web/key.pem

build/web/module.wasm: ${SOURCES} | build/web
	${CC} ${SOURCES} ${CFLAGS} ${LDFLAGS} -o $@

build/web/index.html: ${INDEX} | build/web
	cp ${INDEX} $@

build/web/processor.js: ${ROOT_DIR}/../src/config.js ${ROOT_DIR}/../../common/web/processor.js | build/web
	cat ${ROOT_DIR}/../src/config.js ${ROOT_DIR}/../../common/web//processor.js > $@

build/web/config.js: ${ROOT_DIR}/../src/config.js | build/web
	cp $^ $@

build/web/key.pem: build/web/cert.pem

build/web/cert.pem: | build/web
	yes "" | openssl req -x509 -newkey rsa:2048 -keyout build/web/key.pem -out build/web/cert.pem -days 365 -nodes 2>/dev/null

build/web:
	mkdir -p build/web

clean:
	rm -fr build/web

.PHONY: all clean